Commit Graph

37651 Commits

Author SHA1 Message Date
Amit Cohen
96eece6933 selftests: Add test cases for FDB flush with VXLAN device
Test all the supported arguments for FDB flush. The test checks
configuration, not traffic. Note that the flag 'offloaded' is not checked
as it is not relevant when there is no hardware.

Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-10-13 10:00:32 +01:00
Jakub Kicinski
0e6bb5b7f4 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.

No conflicts.

Adjacent changes:

kernel/bpf/verifier.c
  829955981c ("bpf: Fix verifier log for async callback return values")
  a923819fb2 ("bpf: Treat first argument as return value for bpf_throw")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-12 17:07:34 -07:00
Linus Torvalds
e8c127b057 Including fixes from CAN and BPF.
Previous releases - regressions:
 
  - af_packet: fix fortified memcpy() without flex array.
 
  - tcp: fix crashes trying to free half-baked MTU probes
 
  - xdp: fix zero-size allocation warning in xskq_create()
 
  - can: sja1000: always restart the tx queue after an overrun
 
  - eth: mlx5e: again mutually exclude RX-FCS and RX-port-timestamp
 
  - eth: nfp: avoid rmmod nfp crash issues
 
  - eth: octeontx2-pf: fix page pool frag allocation warning
 
 Previous releases - always broken:
 
  - mctp: perform route lookups under a RCU read-side lock
 
  - bpf: s390: fix clobbering the caller's backchain in the trampoline
 
  - phy: lynx-28g: cancel the CDR check work item on the remove path
 
  - dsa: qca8k: fix qca8k driver for Turris 1.x
 
  - eth: ravb: fix use-after-free issue in ravb_tx_timeout_work()
 
  - eth: ixgbe: fix crash with empty VF macvlan list
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from CAN and BPF.

  We have a regression in TC currently under investigation, otherwise
  the things that stand off most are probably the TCP and AF_PACKET
  fixes, with both issues coming from 6.5.

  Previous releases - regressions:

   - af_packet: fix fortified memcpy() without flex array.

   - tcp: fix crashes trying to free half-baked MTU probes

   - xdp: fix zero-size allocation warning in xskq_create()

   - can: sja1000: always restart the tx queue after an overrun

   - eth: mlx5e: again mutually exclude RX-FCS and RX-port-timestamp

   - eth: nfp: avoid rmmod nfp crash issues

   - eth: octeontx2-pf: fix page pool frag allocation warning

  Previous releases - always broken:

   - mctp: perform route lookups under a RCU read-side lock

   - bpf: s390: fix clobbering the caller's backchain in the trampoline

   - phy: lynx-28g: cancel the CDR check work item on the remove path

   - dsa: qca8k: fix qca8k driver for Turris 1.x

   - eth: ravb: fix use-after-free issue in ravb_tx_timeout_work()

   - eth: ixgbe: fix crash with empty VF macvlan list"

* tag 'net-6.6-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (54 commits)
  rswitch: Fix imbalance phy_power_off() calling
  rswitch: Fix renesas_eth_sw_remove() implementation
  octeontx2-pf: Fix page pool frag allocation warning
  nfc: nci: assert requested protocol is valid
  af_packet: Fix fortified memcpy() without flex array.
  net: tcp: fix crashes trying to free half-baked MTU probes
  net/smc: Fix pos miscalculation in statistics
  nfp: flower: avoid rmmod nfp crash issues
  net: usb: dm9601: fix uninitialized variable use in dm9601_mdio_read
  ethtool: Fix mod state of verbose no_mask bitset
  net: nfc: fix races in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn()
  mctp: perform route lookups under a RCU read-side lock
  net: skbuff: fix kernel-doc typos
  s390/bpf: Fix unwinding past the trampoline
  s390/bpf: Fix clobbering the caller's backchain in the trampoline
  net/mlx5e: Again mutually exclude RX-FCS and RX-port-timestamp
  net/smc: Fix dependency of SMC on ISM
  ixgbe: fix crash with empty VF macvlan list
  net/mlx5e: macsec: use update_pn flag instead of PN comparation
  net: phy: mscc: macsec: reject PN update requests
  ...
2023-10-12 13:07:00 -07:00
Jakub Kicinski
cb7fb0aa3c tools: ynl: use ynl-gen -o instead of stdout in Makefile
Jiri added more careful handling of output of the code generator
to avoid wiping out existing files in
commit f65f305ae0 ("tools: ynl-gen: use temporary file for rendering")
Make use of the -o option in the Makefiles, it is already used
by ynl-regen.sh.

Link: https://lore.kernel.org/r/20231010202714.4045168-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-11 13:33:06 -07:00
Linus Torvalds
b711538a40 hyperv-fixes for v6.6-rc6
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Merge tag 'hyperv-fixes-signed-20231009' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

Pull hyperv fixes from Wei Liu:

 - fixes for Hyper-V VTL code (Saurabh Sengar and Olaf Hering)

 - fix hv_kvp_daemon to support keyfile based connection profile
   (Shradha Gupta)

* tag 'hyperv-fixes-signed-20231009' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux:
  hv/hv_kvp_daemon:Support for keyfile based connection profile
  hyperv: reduce size of ms_hyperv_info
  x86/hyperv: Add common print prefix "Hyper-V" in hv_init
  x86/hyperv: Remove hv_vtl_early_init initcall
  x86/hyperv: Restrict get_vtl to only VTL platforms
2023-10-10 11:01:21 -07:00
Shradha Gupta
42999c9046 hv/hv_kvp_daemon:Support for keyfile based connection profile
Ifcfg config file support in NetworkManger is deprecated. This patch
provides support for the new keyfile config format for connection
profiles in NetworkManager. The patch modifies the hv_kvp_daemon code
to generate the new network configuration in keyfile
format(.ini-style format) along with a ifcfg format configuration.
The ifcfg format configuration is also retained to support easy
backward compatibility for distro vendors. These configurations are
stored in temp files which are further translated using the
hv_set_ifconfig.sh script. This script is implemented by individual
distros based on the network management commands supported.
For example, RHEL's implementation could be found here:
https://gitlab.com/redhat/centos-stream/src/hyperv-daemons/-/blob/c9s/hv_set_ifconfig.sh
Debian's implementation could be found here:
https://github.com/endlessm/linux/blob/master/debian/cloud-tools/hv_set_ifconfig

The next part of this support is to let the Distro vendors consume
these modified implementations to the new configuration format.

Tested-on: Rhel9(Hyper-V, Azure)(nm and ifcfg files verified)
Signed-off-by: Shradha Gupta <shradhagupta@linux.microsoft.com>
Reviewed-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Reviewed-by: Ani Sinha <anisinha@redhat.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Link: https://lore.kernel.org/r/1696847920-31125-1-git-send-email-shradhagupta@linux.microsoft.com
2023-10-10 03:42:29 +00:00
Jakub Kicinski
8cea95b0bd tools: ynl-gen: handle do ops with no input attrs
The code supports dumps with no input attributes currently
thru a combination of special-casing and luck.
Clean up the handling of ops with no inputs. Create empty
Structs, and skip printing of empty types.
This makes dos with no inputs work.

Tested-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Link: https://lore.kernel.org/r/20231006135032.3328523-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-09 19:45:15 -07:00
David Vernet
57ddeb86b3 selftests/bpf: Add testcase for async callback return value failure
A previous commit updated the verifier to print an accurate failure
message for when someone specifies a nonzero return value from an async
callback. This adds a testcase for validating that the verifier emits
the correct message in such a case.

Signed-off-by: David Vernet <void@manifault.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20231009161414.235829-2-void@manifault.com
2023-10-09 23:11:17 +02:00
Daniel Borkmann
37345b8535 selftests/bpf: Make seen_tc* variable tests more robust
Martin reported that on his local dev machine the test_tc_chain_mixed() fails as
"test_tc_chain_mixed:FAIL:seen_tc5 unexpected seen_tc5: actual 1 != expected 0"
and others occasionally, too.

However, when running in a more isolated setup (qemu in particular), it works fine
for him. The reason is that there is a small race-window where seen_tc* could turn
into true for various test cases when there is background traffic, e.g. after the
asserts they often get reset. In such case when subsequent detach takes place,
unrelated background traffic could have already flipped the bool to true beforehand.

Add a small helper tc_skel_reset_all_seen() to reset all bools before we do the ping
test. At this point, everything is set up as expected and therefore no race can occur.
All tc_{opts,links} tests continue to pass after this change.

Reported-by: Martin KaFai Lau <martin.lau@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20231006220655.1653-7-daniel@iogearbox.net
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
2023-10-06 17:11:21 -07:00
Daniel Borkmann
685446b062 selftests/bpf: Test query on empty mprog and pass revision into attach
Add a new test case to query on an empty bpf_mprog and pass the revision
directly into expected_revision for attachment to assert that this does
succeed.

  ./test_progs -t tc_opts
  [    1.406778] tsc: Refined TSC clocksource calibration: 3407.990 MHz
  [    1.408863] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x311fcaf6eb0, max_idle_ns: 440795321766 ns
  [    1.412419] clocksource: Switched to clocksource tsc
  [    1.428671] bpf_testmod: loading out-of-tree module taints kernel.
  [    1.430260] bpf_testmod: module verification failed: signature and/or required key missing - tainting kernel
  #252     tc_opts_after:OK
  #253     tc_opts_append:OK
  #254     tc_opts_basic:OK
  #255     tc_opts_before:OK
  #256     tc_opts_chain_classic:OK
  #257     tc_opts_chain_mixed:OK
  #258     tc_opts_delete_empty:OK
  #259     tc_opts_demixed:OK
  #260     tc_opts_detach:OK
  #261     tc_opts_detach_after:OK
  #262     tc_opts_detach_before:OK
  #263     tc_opts_dev_cleanup:OK
  #264     tc_opts_invalid:OK
  #265     tc_opts_max:OK
  #266     tc_opts_mixed:OK
  #267     tc_opts_prepend:OK
  #268     tc_opts_query:OK
  #269     tc_opts_query_attach:OK     <--- (new test)
  #270     tc_opts_replace:OK
  #271     tc_opts_revision:OK
  Summary: 20/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20231006220655.1653-6-daniel@iogearbox.net
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
2023-10-06 17:11:21 -07:00
Daniel Borkmann
b77368269d selftests/bpf: Adapt assert_mprog_count to always expect 0 count
Simplify __assert_mprog_count() to remove the -ENOENT corner case as the
bpf_prog_query() now returns 0 when no bpf_mprog is attached. This also
allows to convert a few test cases from using raw __assert_mprog_count()
over to plain assert_mprog_count() helper.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20231006220655.1653-5-daniel@iogearbox.net
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
2023-10-06 17:11:21 -07:00
Daniel Borkmann
f9b08790fa selftests/bpf: Test bpf_mprog query API via libbpf and raw syscall
Add a new test case which performs double query of the bpf_mprog through
libbpf API, but also via raw bpf(2) syscall. This is testing to gather
first the count and then in a subsequent probe the full information with
the program array without clearing passed structs in between.

  # ./vmtest.sh -- ./test_progs -t tc_opts
  [...]
  ./test_progs -t tc_opts
  [    1.398818] tsc: Refined TSC clocksource calibration: 3407.999 MHz
  [    1.400263] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x311fd336761, max_idle_ns: 440795243819 ns
  [    1.402734] clocksource: Switched to clocksource tsc
  [    1.426639] bpf_testmod: loading out-of-tree module taints kernel.
  [    1.428112] bpf_testmod: module verification failed: signature and/or required key missing - tainting kernel
  #252     tc_opts_after:OK
  #253     tc_opts_append:OK
  #254     tc_opts_basic:OK
  #255     tc_opts_before:OK
  #256     tc_opts_chain_classic:OK
  #257     tc_opts_chain_mixed:OK
  #258     tc_opts_delete_empty:OK
  #259     tc_opts_demixed:OK
  #260     tc_opts_detach:OK
  #261     tc_opts_detach_after:OK
  #262     tc_opts_detach_before:OK
  #263     tc_opts_dev_cleanup:OK
  #264     tc_opts_invalid:OK
  #265     tc_opts_max:OK
  #266     tc_opts_mixed:OK
  #267     tc_opts_prepend:OK
  #268     tc_opts_query:OK            <--- (new test)
  #269     tc_opts_replace:OK
  #270     tc_opts_revision:OK
  Summary: 19/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/r/20231006220655.1653-4-daniel@iogearbox.net
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
2023-10-06 17:11:21 -07:00
Jakub Kicinski
71ce60d375 tools: ynl-gen: use uapi header name for the header guard
Chuck points out that we should use the uapi-header property
when generating the guard. Otherwise we may generate the same
guard as another file in the tree.

Tested-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-10-06 11:35:36 +01:00
Jakub Kicinski
2606cf059c Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.

No conflicts (or adjacent changes of note).

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-05 13:16:47 -07:00
Linus Torvalds
f291209eca Including fixes from Bluetooth, netfilter, BPF and WiFi.
I didn't collect precise data but feels like we've got a lot
 of 6.5 fixes here. WiFi fixes are most user-awaited.
 
 Current release - regressions:
 
  - Bluetooth: fix hci_link_tx_to RCU lock usage
 
 Current release - new code bugs:
 
  - bpf: mprog: fix maximum program check on mprog attachment
 
  - eth: ti: icssg-prueth: fix signedness bug in prueth_init_tx_chns()
 
 Previous releases - regressions:
 
  - ipv6: tcp: add a missing nf_reset_ct() in 3WHS handling
 
  - vringh: don't use vringh_kiov_advance() in vringh_iov_xfer(),
    it doesn't handle zero length like we expected
 
  - wifi:
    - cfg80211: fix cqm_config access race, fix crashes with brcmfmac
    - iwlwifi: mvm: handle PS changes in vif_cfg_changed
    - mac80211: fix mesh id corruption on 32 bit systems
    - mt76: mt76x02: fix MT76x0 external LNA gain handling
 
  - Bluetooth: fix handling of HCI_QUIRK_STRICT_DUPLICATE_FILTER
 
  - l2tp: fix handling of transhdrlen in __ip{,6}_append_data()
 
  - dsa: mv88e6xxx: avoid EEPROM timeout when EEPROM is absent
 
  - eth: stmmac: fix the incorrect parameter after refactoring
 
 Previous releases - always broken:
 
  - net: replace calls to sock->ops->connect() with kernel_connect(),
    prevent address rewrite in kernel_bind(); otherwise BPF hooks may
    modify arguments, unexpectedly to the caller
 
  - tcp: fix delayed ACKs when reads and writes align with MSS
 
  - bpf:
    - verifier: unconditionally reset backtrack_state masks on global
      func exit
    - s390: let arch_prepare_bpf_trampoline return program size,
      fix struct_ops offsets
    - sockmap: fix accounting of available bytes in presence of PEEKs
    - sockmap: reject sk_msg egress redirects to non-TCP sockets
 
  - ipv4/fib: send netlink notify when delete source address routes
 
  - ethtool: plca: fix width of reads when parsing netlink commands
 
  - netfilter: nft_payload: rebuild vlan header on h_proto access
 
  - Bluetooth: hci_codec: fix leaking memory of local_codecs
 
  - eth: intel: ice: always add legacy 32byte RXDID in supported_rxdids
 
  - eth: stmmac:
    - dwmac-stm32: fix resume on STM32 MCU
    - remove buggy and unneeded stmmac_poll_controller, depend on NAPI
 
  - ibmveth: always recompute TCP pseudo-header checksum, fix use
    of the driver with Open vSwitch
 
  - wifi:
    - rtw88: rtw8723d: fix MAC address offset in EEPROM
    - mt76: fix lock dependency problem for wed_lock
    - mwifiex: sanity check data reported by the device
    - iwlwifi: ensure ack flag is properly cleared
    - iwlwifi: mvm: fix a memory corruption due to bad pointer arithm
    - iwlwifi: mvm: fix incorrect usage of scan API
 
 Misc:
 
  - wifi: mac80211: work around Cisco AP 9115 VHT MPDU length
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from Bluetooth, netfilter, BPF and WiFi.

  I didn't collect precise data but feels like we've got a lot of 6.5
  fixes here. WiFi fixes are most user-awaited.

  Current release - regressions:

   - Bluetooth: fix hci_link_tx_to RCU lock usage

  Current release - new code bugs:

   - bpf: mprog: fix maximum program check on mprog attachment

   - eth: ti: icssg-prueth: fix signedness bug in prueth_init_tx_chns()

  Previous releases - regressions:

   - ipv6: tcp: add a missing nf_reset_ct() in 3WHS handling

   - vringh: don't use vringh_kiov_advance() in vringh_iov_xfer(), it
     doesn't handle zero length like we expected

   - wifi:
      - cfg80211: fix cqm_config access race, fix crashes with brcmfmac
      - iwlwifi: mvm: handle PS changes in vif_cfg_changed
      - mac80211: fix mesh id corruption on 32 bit systems
      - mt76: mt76x02: fix MT76x0 external LNA gain handling

   - Bluetooth: fix handling of HCI_QUIRK_STRICT_DUPLICATE_FILTER

   - l2tp: fix handling of transhdrlen in __ip{,6}_append_data()

   - dsa: mv88e6xxx: avoid EEPROM timeout when EEPROM is absent

   - eth: stmmac: fix the incorrect parameter after refactoring

  Previous releases - always broken:

   - net: replace calls to sock->ops->connect() with kernel_connect(),
     prevent address rewrite in kernel_bind(); otherwise BPF hooks may
     modify arguments, unexpectedly to the caller

   - tcp: fix delayed ACKs when reads and writes align with MSS

   - bpf:
      - verifier: unconditionally reset backtrack_state masks on global
        func exit
      - s390: let arch_prepare_bpf_trampoline return program size, fix
        struct_ops offsets
      - sockmap: fix accounting of available bytes in presence of PEEKs
      - sockmap: reject sk_msg egress redirects to non-TCP sockets

   - ipv4/fib: send netlink notify when delete source address routes

   - ethtool: plca: fix width of reads when parsing netlink commands

   - netfilter: nft_payload: rebuild vlan header on h_proto access

   - Bluetooth: hci_codec: fix leaking memory of local_codecs

   - eth: intel: ice: always add legacy 32byte RXDID in supported_rxdids

   - eth: stmmac:
     - dwmac-stm32: fix resume on STM32 MCU
     - remove buggy and unneeded stmmac_poll_controller, depend on NAPI

   - ibmveth: always recompute TCP pseudo-header checksum, fix use of
     the driver with Open vSwitch

   - wifi:
      - rtw88: rtw8723d: fix MAC address offset in EEPROM
      - mt76: fix lock dependency problem for wed_lock
      - mwifiex: sanity check data reported by the device
      - iwlwifi: ensure ack flag is properly cleared
      - iwlwifi: mvm: fix a memory corruption due to bad pointer arithm
      - iwlwifi: mvm: fix incorrect usage of scan API

  Misc:

   - wifi: mac80211: work around Cisco AP 9115 VHT MPDU length"

* tag 'net-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (99 commits)
  MAINTAINERS: update Matthieu's email address
  mptcp: userspace pm allow creating id 0 subflow
  mptcp: fix delegated action races
  net: stmmac: remove unneeded stmmac_poll_controller
  net: lan743x: also select PHYLIB
  net: ethernet: mediatek: disable irq before schedule napi
  net: mana: Fix oversized sge0 for GSO packets
  net: mana: Fix the tso_bytes calculation
  net: mana: Fix TX CQE error handling
  netlink: annotate data-races around sk->sk_err
  sctp: update hb timer immediately after users change hb_interval
  sctp: update transport state when processing a dupcook packet
  tcp: fix delayed ACKs for MSS boundary condition
  tcp: fix quick-ack counting to count actual ACKs of new data
  page_pool: fix documentation typos
  tipc: fix a potential deadlock on &tx->lock
  net: stmmac: dwmac-stm32: fix resume on STM32 MCU
  ipv4: Set offload_failed flag in fibmatch results
  netfilter: nf_tables: nft_set_rbtree: fix spurious insertion failure
  netfilter: nf_tables: Deduplicate nft_register_obj audit logs
  ...
2023-10-05 11:29:21 -07:00
Linus Torvalds
3006adf3be Timerlat auto-analysis:
- Timerlat is reporting thread interference time without thread noise
     events occurrence. It was caused because the thread interference variable
     was not reset after the analysis of a timerlat activation that did not
     hit the threshold.
 
   - The IRQ handler delay is estimated from the delta of the IRQ latency
     reported by timerlat, and the timestamp from IRQ handler start event.
     If the delta is near-zero, the drift from the external clock and the
     trace event and/or the overhead can cause the value to be negative.
     If the value is negative, print a zero-delay.
 
   - IRQ handlers happening after the timerlat thread event but before
     the stop tracing were being reported as IRQ that happened before the
     *current* IRQ occurrence. Ignore Previous IRQ noise in this condition
     because they are valid only for the *next* timerlat activation.
 
 Timerlat user-space:
 
   - Timerlat is stopping all user-space thread if a CPU becomes
     offline. Do not stop the entire tool if a CPU is/become offline,
     but only the thread of the unavailable CPU. Stop the tool only,
     if all threads leave because the CPUs become/are offline.
 
 man-pages:
 
   - Fix command line example in timerlat hist man page.
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Merge tag 'rtla-v6.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bristot/linux

Pull rtla fixes from Daniel Bristot de Oliveira:
 "rtla (Real-Time Linux Analysis) tool fixes.

  Timerlat auto-analysis:

   - Timerlat is reporting thread interference time without thread noise
     events occurrence. It was caused because the thread interference
     variable was not reset after the analysis of a timerlat activation
     that did not hit the threshold.

   - The IRQ handler delay is estimated from the delta of the IRQ
     latency reported by timerlat, and the timestamp from IRQ handler
     start event. If the delta is near-zero, the drift from the external
     clock and the trace event and/or the overhead can cause the value
     to be negative. If the value is negative, print a zero-delay.

   - IRQ handlers happening after the timerlat thread event but before
     the stop tracing were being reported as IRQ that happened before
     the *current* IRQ occurrence. Ignore Previous IRQ noise in this
     condition because they are valid only for the *next* timerlat
     activation.

  Timerlat user-space:

   - Timerlat is stopping all user-space thread if a CPU becomes
     offline. Do not stop the entire tool if a CPU is/become offline,
     but only the thread of the unavailable CPU. Stop the tool only, if
     all threads leave because the CPUs become/are offline.

  man-pages:

   - Fix command line example in timerlat hist man page"

* tag 'rtla-v6.6-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bristot/linux:
  rtla: fix a example in rtla-timerlat-hist.rst
  rtla/timerlat: Do not stop user-space if a cpu is offline
  rtla/timerlat_aa: Fix previous IRQ delay for IRQs that happens after thread sample
  rtla/timerlat_aa: Fix negative IRQ delay
  rtla/timerlat_aa: Zero thread sum after every sample analysis
2023-10-04 18:19:55 -07:00
Jakub Kicinski
e2ca31cee9 tools: ynl: use uAPI include magic for samples
Makefile.deps provides direct includes in CFLAGS_$(obj).
We just need to rewrite the rules to make use of the extra
flags, no need to hard-include all of tools/include/uapi.

Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/20231003153416.2479808-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-04 17:33:54 -07:00
Jakub Kicinski
a50660173c tools: ynl: don't regen on every make
As far as I can tell the normal Makefile dependency tracking
works, generated files get re-generated if the YAML was updated.
Let make do its job, don't force the re-generation.
make hardclean can be used to force regeneration.

Acked-by: Stanislav Fomichev <sdf@google.com>
Link: https://lore.kernel.org/r/20231003153416.2479808-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-04 17:33:54 -07:00
Jakub Kicinski
c56e67f3ff netfilter pull request 2023-10-04
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Merge tag 'nf-23-10-04' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf

Florian Westphal says:

====================
netfilter patches for net

First patch resolves a regression with vlan header matching, this was
broken since 6.5 release.  From myself.

Second patch fixes an ancient problem with sctp connection tracking in
case INIT_ACK packets are delayed.  This comes with a selftest, both
patches from Xin Long.

Patch 4 extends the existing nftables audit selftest, from
Phil Sutter.

Patch 5, also from Phil, avoids a situation where nftables
would emit an audit record twice. This was broken since 5.13 days.

Patch 6, from myself, avoids spurious insertion failure if we encounter an
overlapping but expired range during element insertion with the
'nft_set_rbtree' backend. This problem exists since 6.2.

* tag 'nf-23-10-04' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
  netfilter: nf_tables: nft_set_rbtree: fix spurious insertion failure
  netfilter: nf_tables: Deduplicate nft_register_obj audit logs
  selftests: netfilter: Extend nft_audit.sh
  selftests: netfilter: test for sctp collision processing in nf_conntrack
  netfilter: handle the connecting collision properly in nf_conntrack_proto_sctp
  netfilter: nft_payload: rebuild vlan header on h_proto access
====================

Link: https://lore.kernel.org/r/20231004141405.28749-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-04 14:53:17 -07:00
Jakub Kicinski
07cf7974a2 netfilter pull request 2023-09-28
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Merge tag 'nf-next-23-09-28' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next

Florian Westphal says:

====================
netfilter updates for net-next

First patch, from myself, is a bug fix. The issue (connect timeout) is
ancient, so I think its safe to give this more soak time given the esoteric
conditions needed to trigger this.
Also updates the existing selftest to cover this.

Add netlink extacks when an update references a non-existent
table/chain/set.  This allows userspace to provide much better
errors to the user, from Pablo Neira Ayuso.

Last patch adds more policy checks to nf_tables as a better
alternative to the existing runtime checks, from Phil Sutter.

* tag 'nf-next-23-09-28' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next:
  netfilter: nf_tables: Utilize NLA_POLICY_NESTED_ARRAY
  netfilter: nf_tables: missing extended netlink error in lookup functions
  selftests: netfilter: test nat source port clash resolution interaction with tcp early demux
  netfilter: nf_nat: undo erroneous tcp edemux lookup after port clash
====================

Link: https://lore.kernel.org/r/20230928144916.18339-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-04 14:25:37 -07:00
Linus Torvalds
ba7d997a2a linux-kselftest-fixes-6.6-rc5
This kselftest fixes update for Linux 6.6-rc5 consists of one single
 fix to Makefile to fix the incorrect TARGET name for uevent test.
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Merge tag 'linux-kselftest-fixes-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest fix from Shuah Khan:
 "One single fix to Makefile to fix the incorrect TARGET name for uevent
  test"

* tag 'linux-kselftest-fixes-6.6-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests: Fix wrong TARGET in kselftest top level Makefile
2023-10-04 11:35:23 -07:00
Jakub Kicinski
1eb3dee16a bpf-for-netdev
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Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Daniel Borkmann says:

====================
pull-request: bpf 2023-10-02

We've added 11 non-merge commits during the last 12 day(s) which contain
a total of 12 files changed, 176 insertions(+), 41 deletions(-).

The main changes are:

1) Fix BPF verifier to reset backtrack_state masks on global function
   exit as otherwise subsequent precision tracking would reuse them,
   from Andrii Nakryiko.

2) Several sockmap fixes for available bytes accounting,
   from John Fastabend.

3) Reject sk_msg egress redirects to non-TCP sockets given this
   is only supported for TCP sockets today, from Jakub Sitnicki.

4) Fix a syzkaller splat in bpf_mprog when hitting maximum program
   limits with BPF_F_BEFORE directive, from Daniel Borkmann
   and Nikolay Aleksandrov.

5) Fix BPF memory allocator to use kmalloc_size_roundup() to adjust
   size_index for selecting a bpf_mem_cache, from Hou Tao.

6) Fix arch_prepare_bpf_trampoline return code for s390 JIT,
   from Song Liu.

7) Fix bpf_trampoline_get when CONFIG_BPF_JIT is turned off,
   from Leon Hwang.

* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  bpf: Use kmalloc_size_roundup() to adjust size_index
  selftest/bpf: Add various selftests for program limits
  bpf, mprog: Fix maximum program check on mprog attachment
  bpf, sockmap: Reject sk_msg egress redirects to non-TCP sockets
  bpf, sockmap: Add tests for MSG_F_PEEK
  bpf, sockmap: Do not inc copied_seq when PEEK flag set
  bpf: tcp_read_skb needs to pop skb regardless of seq
  bpf: unconditionally reset backtrack_state masks on global func exit
  bpf: Fix tr dereferencing
  selftests/bpf: Check bpf_cubic_acked() is called via struct_ops
  s390/bpf: Let arch_prepare_bpf_trampoline return program size
====================

Link: https://lore.kernel.org/r/20231002113417.2309-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-04 08:28:07 -07:00
Phil Sutter
0d880dc6f0 netfilter: nf_tables: Deduplicate nft_register_obj audit logs
When adding/updating an object, the transaction handler emits suitable
audit log entries already, the one in nft_obj_notify() is redundant. To
fix that (and retain the audit logging from objects' 'update' callback),
Introduce an "audit log free" variant for internal use.

Fixes: c520292f29 ("audit: log nftables configuration change events once per table")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Reviewed-by: Richard Guy Briggs <rgb@redhat.com>
Acked-by: Paul Moore <paul@paul-moore.com> (Audit)
Signed-off-by: Florian Westphal <fw@strlen.de>
2023-10-04 15:57:06 +02:00
Phil Sutter
203bb9d398 selftests: netfilter: Extend nft_audit.sh
Add tests for sets and elements and deletion of all kinds. Also
reorder rule reset tests: By moving the bulk rule add command up, the
two 'reset rules' tests become identical.

While at it, fix for a failing bulk rule add test's error status getting
lost due to its use in a pipe. Avoid this by using a temporary file.

Headings in diff output for failing tests contain no useful data, strip
them.

Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Florian Westphal <fw@strlen.de>
2023-10-04 14:12:01 +02:00
Xin Long
cf791b22be selftests: netfilter: test for sctp collision processing in nf_conntrack
This patch adds a test case to reproduce the SCTP DATA chunk retransmission
timeout issue caused by the improper SCTP collision processing in netfilter
nf_conntrack_proto_sctp.

In this test, client sends a INIT chunk, but the INIT_ACK replied from
server is delayed until the server sends a INIT chunk to start a new
connection from its side. After the connection is complete from server
side, the delayed INIT_ACK arrives in nf_conntrack_proto_sctp.

The delayed INIT_ACK should be dropped in nf_conntrack_proto_sctp instead
of updating the vtag with the out-of-date init_tag, otherwise, the vtag
in DATA chunks later sent by client don't match the vtag in the conntrack
entry and the DATA chunks get dropped.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
2023-10-04 14:12:01 +02:00
Chuck Lever
160f404495 handshake: Fix sign of key_serial_t fields
key_serial_t fields are signed integers. Use nla_get/put_s32 for
those to avoid implicit signed conversion in the netlink protocol.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/169530167716.8905.645746457741372879.stgit@oracle-102.nfsv4bat.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-02 12:34:21 -07:00
Chuck Lever
a6b07a51b1 handshake: Fix sign of socket file descriptor fields
Socket file descriptors are signed integers. Use nla_get/put_s32 for
those to avoid implicit signed conversion in the netlink protocol.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/169530165057.8905.8650469415145814828.stgit@oracle-102.nfsv4bat.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-10-02 12:34:21 -07:00
Linus Torvalds
d2c5231581 Fourteen hotfixes, eleven of which are cc:stable. The remainder pertain
to issues which were introduced after 6.5.
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Merge tag 'mm-hotfixes-stable-2023-10-01-08-34' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "Fourteen hotfixes, eleven of which are cc:stable. The remainder
  pertain to issues which were introduced after 6.5"

* tag 'mm-hotfixes-stable-2023-10-01-08-34' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  Crash: add lock to serialize crash hotplug handling
  selftests/mm: fix awk usage in charge_reserved_hugetlb.sh and hugetlb_reparenting_test.sh that may cause error
  mm: mempolicy: keep VMA walk if both MPOL_MF_STRICT and MPOL_MF_MOVE are specified
  mm/damon/vaddr-test: fix memory leak in damon_do_test_apply_three_regions()
  mm, memcg: reconsider kmem.limit_in_bytes deprecation
  mm: zswap: fix potential memory corruption on duplicate store
  arm64: hugetlb: fix set_huge_pte_at() to work with all swap entries
  mm: hugetlb: add huge page size param to set_huge_pte_at()
  maple_tree: add MAS_UNDERFLOW and MAS_OVERFLOW states
  maple_tree: add mas_is_active() to detect in-tree walks
  nilfs2: fix potential use after free in nilfs_gccache_submit_read_data()
  mm: abstract moving to the next PFN
  mm: report success more often from filemap_map_folio_range()
  fs: binfmt_elf_efpic: fix personality for ELF-FDPIC
2023-10-01 13:33:25 -07:00
Eric Dumazet
e08d0b3d17 inet: implement lockless IP_TOS
Some reads of inet->tos are racy.

Add needed READ_ONCE() annotations and convert IP_TOS option lockless.

v2: missing changes in include/net/route.h (David Ahern)

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-10-01 19:39:18 +01:00
Linus Torvalds
1c9d831221 powerpc fixes for 6.6 #3
- Fix arch_stack_walk_reliable(), used by live patching.
 
  - Fix powerpc selftests to work with run_kselftest.sh
 
 Thanks to: Joe Lawrence, Petr Mladek.
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Merge tag 'powerpc-6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fixes from Michael Ellerman:

 - Fix arch_stack_walk_reliable(), used by live patching

 - Fix powerpc selftests to work with run_kselftest.sh

Thanks to Joe Lawrence and Petr Mladek.

* tag 'powerpc-6.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  selftests/powerpc: Fix emit_tests to work with run_kselftest.sh
  powerpc/stacktrace: Fix arch_stack_walk_reliable()
2023-09-30 09:53:09 -07:00
Juntong Deng
bbe246f875 selftests/mm: fix awk usage in charge_reserved_hugetlb.sh and hugetlb_reparenting_test.sh that may cause error
According to the awk manual, the -e option does not need to be specified
in front of 'program' (unless you need to mix program-file).

The redundant -e option can cause error when users use awk tools other
than gawk (for example, mawk does not support the -e option).

Error Example:
awk: not an option: -e

Link: https://lkml.kernel.org/r/VI1P193MB075228810591AF2FDD7D42C599C3A@VI1P193MB0752.EURP193.PROD.OUTLOOK.COM
Signed-off-by: Juntong Deng <juntong.deng@outlook.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2023-09-29 17:20:48 -07:00
Daniel Borkmann
d1a783daa4 selftest/bpf: Add various selftests for program limits
Add various tests to check maximum number of supported programs
being attached:

  # ./vmtest.sh -- ./test_progs -t tc_opts
  [...]
  ./test_progs -t tc_opts
  [    1.185325] bpf_testmod: loading out-of-tree module taints kernel.
  [    1.186826] bpf_testmod: module verification failed: signature and/or required key missing - tainting kernel
  [    1.270123] tsc: Refined TSC clocksource calibration: 3407.988 MHz
  [    1.272428] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x311fc932722, max_idle_ns: 440795381586 ns
  [    1.276408] clocksource: Switched to clocksource tsc
  #252     tc_opts_after:OK
  #253     tc_opts_append:OK
  #254     tc_opts_basic:OK
  #255     tc_opts_before:OK
  #256     tc_opts_chain_classic:OK
  #257     tc_opts_chain_mixed:OK
  #258     tc_opts_delete_empty:OK
  #259     tc_opts_demixed:OK
  #260     tc_opts_detach:OK
  #261     tc_opts_detach_after:OK
  #262     tc_opts_detach_before:OK
  #263     tc_opts_dev_cleanup:OK
  #264     tc_opts_invalid:OK
  #265     tc_opts_max:OK              <--- (new test)
  #266     tc_opts_mixed:OK
  #267     tc_opts_prepend:OK
  #268     tc_opts_replace:OK
  #269     tc_opts_revision:OK
  Summary: 18/0 PASSED, 0 SKIPPED, 0 FAILED

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20230929204121.20305-2-daniel@iogearbox.net
2023-09-29 16:07:59 -07:00
John Fastabend
5f405c0c0c bpf, sockmap: Add tests for MSG_F_PEEK
Test that we can read with MSG_F_PEEK and then still get correct number
of available bytes through FIONREAD. The recv() (without PEEK) then
returns the bytes as expected. The recv() always worked though because
it was just the available byte reporting that was broke before latest
fixes.

Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com>
Link: https://lore.kernel.org/bpf/20230926035300.135096-4-john.fastabend@gmail.com
2023-09-29 17:06:21 +02:00
Florian Westphal
117e149e26 selftests: netfilter: test nat source port clash resolution interaction with tcp early demux
Test that nat engine resolves the source port clash and tcp packet
is passed to the correct socket.

While at it, get rid of the iperf3 dependency, just use socat for
listener side too.

Signed-off-by: Florian Westphal <fw@strlen.de>
2023-09-28 16:25:42 +02:00
Pedro Tammela
d3fc4eea97 selftests/tc-testing: update tdc documentation
Update the documentation to reflect the changes made to tdc with regards
to minimal requirements and test definitions expectations.

Tested-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-09-28 09:51:07 +02:00
Pedro Tammela
ac9b829309 selftests/tc-testing: implement tdc parallel test run
Use a Python process pool to run the tests in parallel.
Not all tests can run in parallel, for instance tests that are not
namespaced and tests that use netdevsim, as they can conflict with one
another.

The code logic will split the tests into serial and parallel.
For the parallel tests, we build batches of 32 tests and queue each
batch on the process pool. For the serial tests, they are queued as a
whole into the process pool, which in turn executes them concurrently
with the parallel tests.

Even though the tests serialize on rtnl_lock in the kernel, this feature
showed results with a ~3x speedup on the wall time for the entire test suite
running in a VM:
   Before - 4m32.502s
   After - 1m19.202s

Examples:
   In order to run tdc using 4 processes:
      ./tdc.py -J4 <...>
   In order to run tdc using 1 process:
      ./tdc.py -J1 <...> || ./tdc.py <...>

Note that the kernel configuration will affect the speed of the tests,
especially if such configuration slows down process creation and/or
fork().

Tested-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-09-28 09:51:07 +02:00
Pedro Tammela
d227cc0b1e selftests/tc-testing: update test definitions for local resources
With resources localized on a per test basis, some tests definitions
either contain redundant commands, were wrong or could be simplified.
Update all of them to match the new requirements.

Tested-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-09-28 09:51:07 +02:00
Pedro Tammela
98cfbe4234 selftests/tc-testing: localize test resources
As of today, the current tdc architecture creates one netns and uses it
to run all tests. This assumption was embedded into the nsPlugin which
carried over as how the tests were written.

The tdc tests are by definition self contained and can,
theoretically, run in parallel. Even though in the kernel they will
serialize over the rtnl lock, we should expect a significant speedup of the
total wall time for the entire test suite, which is hitting close to
1100 tests at this point.

A first step to achieve this goal is to remove sharing of global resources like
veth/dummy interfaces and the netns. In this patch we 'localize' these
resources on a per test basis. Each test gets it's own netns, VETH/dummy interfaces.
The resources are spawned in the pre_suite phase, where tdc will prepare
all netns and interfaces for all tests. This is done in order to avoid
concurrency issues with netns / interfaces spawning and commands using
them. As tdc progresses, the resources are deleted after each test finishes
executing.

Tests that don't use the nsPlugin still run under the root namespace,
but are now required to manage any external resources like interfaces.
These cannot be parallelized as their definition doesn't allow it.
On the other hand, when using the nsPlugin, tests don't need to create
dummy/veth interfaces as these are handled already.

Tested-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-09-28 09:51:07 +02:00
Juntong Deng
6f874fa021 selftests: Fix wrong TARGET in kselftest top level Makefile
The 'uevents' subdirectory does not exist in tools/testing/selftests/
and adding 'uevents' to the TARGETS list results in the following error:

make[1]: Entering directory 'xx/tools/testing/selftests/uevents'
make[1]: *** No targets specified and no makefile found. Stop.
make[1]: Leaving directory 'xx/tools/testing/selftests/uevents'

What actually exists in tools/testing/selftests/ is the 'uevent'
subdirectory.

Signed-off-by: Juntong Deng <juntong.deng@outlook.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2023-09-26 18:47:37 -06:00
Linus Torvalds
50768a425b linux-kselftest-fixes-6.6-rc4
This kselftest fixes update for Linux 6.6-rc4 consists of one
 single fix to unmount tracefs when test created mount.
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Merge tag 'linux-kselftest-fixes-6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest

Pull kselftest fix from Shuah Khan:
 "One single fix to unmount tracefs when test created mount"

* tag 'linux-kselftest-fixes-6.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
  selftests/user_events: Fix to unmount tracefs when test created mount
2023-09-26 09:03:11 -07:00
Linus Torvalds
5c519bc075 perf tools fixes for v6.6: 1st batch
Build:
 
  - Update header files in the tools/**/include directory to sync with
    the kernel sources as usual.
 
  - Remove unused bpf-prologue files.  While it's not strictly a fix,
    but the functionality was removed in this cycle so better to get
    rid of the code together.
 
  - Other minor build fixes.
 
 Misc:
 
  - Fix uninitialized memory access in PMU parsing code
 
  - Fix segfaults on software event
 
 Signed-off-by: Namhyung Kim <namhyung@kernel.org>
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Merge tag 'perf-tools-fixes-for-v6.6-1-2023-09-25' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tools fixes from Namhyung Kim:
 "Build:

   - Update header files in the tools/**/include directory to sync with
     the kernel sources as usual.

   - Remove unused bpf-prologue files. While it's not strictly a fix,
     but the functionality was removed in this cycle so better to get
     rid of the code together.

   - Other minor build fixes.

  Misc:

   - Fix uninitialized memory access in PMU parsing code

   - Fix segfaults on software event"

* tag 'perf-tools-fixes-for-v6.6-1-2023-09-25' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
  perf jevent: fix core dump on software events on s390
  perf pmu: Ensure all alias variables are initialized
  perf jevents metric: Fix type of strcmp_cpuid_str
  perf trace: Avoid compile error wrt redefining bool
  perf bpf-prologue: Remove unused file
  tools headers UAPI: Update tools's copy of drm.h headers
  tools arch x86: Sync the msr-index.h copy with the kernel sources
  perf bench sched-seccomp-notify: Use the tools copy of seccomp.h UAPI
  tools headers UAPI: Copy seccomp.h to be able to build 'perf bench' in older systems
  tools headers UAPI: Sync files changed by new fchmodat2 and map_shadow_stack syscalls with the kernel sources
  perf tools: Update copy of libbpf's hashmap.c
2023-09-26 08:41:26 -07:00
Linus Torvalds
8a511e7efc ARM:
* Fix EL2 Stage-1 MMIO mappings where a random address was used
 
 * Fix SMCCC function number comparison when the SVE hint is set
 
 RISC-V:
 
 * Fix KVM_GET_REG_LIST API for ISA_EXT registers
 
 * Fix reading ISA_EXT register of a missing extension
 
 * Fix ISA_EXT register handling in get-reg-list test
 
 * Fix filtering of AIA registers in get-reg-list test
 
 x86:
 
 * Fixes for TSC_AUX virtualization
 
 * Stop zapping page tables asynchronously, since we don't
   zap them as often as before
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
"ARM:

   - Fix EL2 Stage-1 MMIO mappings where a random address was used

   - Fix SMCCC function number comparison when the SVE hint is set

  RISC-V:

   - Fix KVM_GET_REG_LIST API for ISA_EXT registers

   - Fix reading ISA_EXT register of a missing extension

   - Fix ISA_EXT register handling in get-reg-list test

   - Fix filtering of AIA registers in get-reg-list test

  x86:

   - Fixes for TSC_AUX virtualization

   - Stop zapping page tables asynchronously, since we don't zap them as
     often as before"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: SVM: Do not use user return MSR support for virtualized TSC_AUX
  KVM: SVM: Fix TSC_AUX virtualization setup
  KVM: SVM: INTERCEPT_RDTSCP is never intercepted anyway
  KVM: x86/mmu: Stop zapping invalidated TDP MMU roots asynchronously
  KVM: x86/mmu: Do not filter address spaces in for_each_tdp_mmu_root_yield_safe()
  KVM: x86/mmu: Open code leaf invalidation from mmu_notifier
  KVM: riscv: selftests: Selectively filter-out AIA registers
  KVM: riscv: selftests: Fix ISA_EXT register handling in get-reg-list
  RISC-V: KVM: Fix riscv_vcpu_get_isa_ext_single() for missing extensions
  RISC-V: KVM: Fix KVM_GET_REG_LIST API for ISA_EXT registers
  KVM: selftests: Assert that vasprintf() is successful
  KVM: arm64: nvhe: Ignore SVE hint in SMCCC function ID
  KVM: arm64: Properly return allocated EL2 VA from hyp_alloc_private_va_range()
2023-09-24 14:14:35 -07:00
Linus Torvalds
85eba5f175 13 hotfixes, 10 of which pertain to post-6.5 issues. The other 3 are
cc:stable.
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Merge tag 'mm-hotfixes-stable-2023-09-23-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "13 hotfixes, 10 of which pertain to post-6.5 issues. The other three
  are cc:stable"

* tag 'mm-hotfixes-stable-2023-09-23-10-31' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  proc: nommu: fix empty /proc/<pid>/maps
  filemap: add filemap_map_order0_folio() to handle order0 folio
  proc: nommu: /proc/<pid>/maps: release mmap read lock
  mm: memcontrol: fix GFP_NOFS recursion in memory.high enforcement
  pidfd: prevent a kernel-doc warning
  argv_split: fix kernel-doc warnings
  scatterlist: add missing function params to kernel-doc
  selftests/proc: fixup proc-empty-vm test after KSM changes
  revert "scripts/gdb/symbols: add specific ko module load command"
  selftests: link libasan statically for tests with -fsanitize=address
  task_work: add kerneldoc annotation for 'data' argument
  mm: page_alloc: fix CMA and HIGHATOMIC landing on the wrong buddy list
  sh: mm: re-add lost __ref to ioremap_prot() to fix modpost warning
2023-09-23 11:51:16 -07:00
Paolo Bonzini
5804c19b80 KVM/riscv fixes for 6.6, take #1
- Fix KVM_GET_REG_LIST API for ISA_EXT registers
 - Fix reading ISA_EXT register of a missing extension
 - Fix ISA_EXT register handling in get-reg-list test
 - Fix filtering of AIA registers in get-reg-list test
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Merge tag 'kvm-riscv-fixes-6.6-1' of https://github.com/kvm-riscv/linux into HEAD

KVM/riscv fixes for 6.6, take #1

- Fix KVM_GET_REG_LIST API for ISA_EXT registers
- Fix reading ISA_EXT register of a missing extension
- Fix ISA_EXT register handling in get-reg-list test
- Fix filtering of AIA registers in get-reg-list test
2023-09-23 05:35:55 -04:00
Daniel Bristot de Oliveira
e8c44d3b71 rtla/timerlat: Do not stop user-space if a cpu is offline
If no CPU list is passed, timerlat in user-space will dispatch
one thread per sysconf(_SC_NPROCESSORS_CONF). However, not all
CPU might be available, for instance, if HT is disabled.

Currently, rtla timerlat is stopping the session if an user-space
thread cannot set affinity to a CPU, or if a running user-space
thread is killed. However, this is too restrictive.

So, reduce the error to a debug message, and rtla timerlat run as
long as there is at least one user-space thread alive.

Link: https://lore.kernel.org/lkml/59cf2c882900ab7de91c6ee33b382ac7fa6b4ed0.1694781909.git.bristot@kernel.org

Fixes: cdca4f4e5e ("rtla/timerlat_top: Add timerlat user-space support")
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
2023-09-22 14:43:46 +02:00
Michael Ellerman
58b33e78a3 selftests/powerpc: Fix emit_tests to work with run_kselftest.sh
In order to use run_kselftest.sh the list of tests must be emitted to
populate kselftest-list.txt.

The powerpc Makefile is written to use EMIT_TESTS. But support for
EMIT_TESTS was dropped in commit d4e59a536f ("selftests: Use runner.sh
for emit targets"). Although prior to that commit a548de0fe8
("selftests: lib.mk: add test execute bit check to EMIT_TESTS") had
already broken run_kselftest.sh for powerpc due to the executable check
using the wrong path.

It can be fixed by replacing the EMIT_TESTS definitions with actual
emit_tests rules in the powerpc Makefiles. This makes run_kselftest.sh
able to run powerpc tests:

  $ cd linux
  $ export ARCH=powerpc
  $ export CROSS_COMPILE=powerpc64le-linux-gnu-
  $ make headers
  $ make -j -C tools/testing/selftests install
  $ grep -c "^powerpc" tools/testing/selftests/kselftest_install/kselftest-list.txt
  182

Fixes: d4e59a536f ("selftests: Use runner.sh for emit targets")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230921072623.828772-1-mpe@ellerman.id.au
2023-09-22 20:29:48 +10:00
Paolo Abeni
e9cbc89067 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.

No conflicts.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-09-21 21:49:45 +02:00
Linus Torvalds
27bbf45eae Networking fixes for 6.6-rc2, including fixes from netfilter and bpf
Current release - regressions:
 
  - bpf: adjust size_index according to the value of KMALLOC_MIN_SIZE
 
  - netfilter: fix entries val in rule reset audit log
 
  - eth: stmmac: fix incorrect rxq|txq_stats reference
 
 Previous releases - regressions:
 
  - ipv4: fix null-deref in ipv4_link_failure
 
  - netfilter:
    - fix several GC related issues
    - fix race between IPSET_CMD_CREATE and IPSET_CMD_SWAP
 
  - eth: team: fix null-ptr-deref when team device type is changed
 
  - eth: i40e: fix VF VLAN offloading when port VLAN is configured
 
  - eth: ionic: fix 16bit math issue when PAGE_SIZE >= 64KB
 
 Previous releases - always broken:
 
  - core: fix ETH_P_1588 flow dissector
 
  - mptcp: fix several connection hang-up conditions
 
  - bpf:
    - avoid deadlock when using queue and stack maps from NMI
    - add override check to kprobe multi link attach
 
  - hsr: properly parse HSRv1 supervisor frames.
 
  - eth: igc: fix infinite initialization loop with early XDP redirect
 
  - eth: octeon_ep: fix tx dma unmap len values in SG
 
  - eth: hns3: fix GRE checksum offload issue
 
 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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Merge tag 'net-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Paolo Abeni:
 "Including fixes from netfilter and bpf.

  Current release - regressions:

   - bpf: adjust size_index according to the value of KMALLOC_MIN_SIZE

   - netfilter: fix entries val in rule reset audit log

   - eth: stmmac: fix incorrect rxq|txq_stats reference

  Previous releases - regressions:

   - ipv4: fix null-deref in ipv4_link_failure

   - netfilter:
      - fix several GC related issues
      - fix race between IPSET_CMD_CREATE and IPSET_CMD_SWAP

   - eth: team: fix null-ptr-deref when team device type is changed

   - eth: i40e: fix VF VLAN offloading when port VLAN is configured

   - eth: ionic: fix 16bit math issue when PAGE_SIZE >= 64KB

  Previous releases - always broken:

   - core: fix ETH_P_1588 flow dissector

   - mptcp: fix several connection hang-up conditions

   - bpf:
      - avoid deadlock when using queue and stack maps from NMI
      - add override check to kprobe multi link attach

   - hsr: properly parse HSRv1 supervisor frames.

   - eth: igc: fix infinite initialization loop with early XDP redirect

   - eth: octeon_ep: fix tx dma unmap len values in SG

   - eth: hns3: fix GRE checksum offload issue"

* tag 'net-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (87 commits)
  sfc: handle error pointers returned by rhashtable_lookup_get_insert_fast()
  igc: Expose tx-usecs coalesce setting to user
  octeontx2-pf: Do xdp_do_flush() after redirects.
  bnxt_en: Flush XDP for bnxt_poll_nitroa0()'s NAPI
  net: ena: Flush XDP packets on error.
  net/handshake: Fix memory leak in __sock_create() and sock_alloc_file()
  net: hinic: Fix warning-hinic_set_vlan_fliter() warn: variable dereferenced before check 'hwdev'
  netfilter: ipset: Fix race between IPSET_CMD_CREATE and IPSET_CMD_SWAP
  netfilter: nf_tables: fix memleak when more than 255 elements expired
  netfilter: nf_tables: disable toggling dormant table state more than once
  vxlan: Add missing entries to vxlan_get_size()
  net: rds: Fix possible NULL-pointer dereference
  team: fix null-ptr-deref when team device type is changed
  net: bridge: use DEV_STATS_INC()
  net: hns3: add 5ms delay before clear firmware reset irq source
  net: hns3: fix fail to delete tc flower rules during reset issue
  net: hns3: only enable unicast promisc when mac table full
  net: hns3: fix GRE checksum offload issue
  net: hns3: add cmdq check for vf periodic service task
  net: stmmac: fix incorrect rxq|txq_stats reference
  ...
2023-09-21 11:28:16 -07:00
Linus Torvalds
fb8b1b93ee memblock test: compilation fixes
Fix several compilation errors and warnings in memblock tests
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Merge tag 'fixes-2023-09-21' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock

Pull memblock test fixes from Mike Rapoport:
 "Fix several compilation errors and warnings in memblock tests"

* tag 'fixes-2023-09-21' of git://git.kernel.org/pub/scm/linux/kernel/git/rppt/memblock:
  memblock tests: fix warning ‘struct seq_file’ declared inside parameter list
  memblock tests: fix warning: "__ALIGN_KERNEL" redefined
  memblock tests: Fix compilation errors.
2023-09-21 08:21:23 -07:00
Linus Torvalds
2af5acbaa7 sound fixes for 6.6-rc3
A large collection of fixes around this time.
 All small and mostly trivial fixes.
 
 - Lots of fixes for the new -Wformat-truncation warnings
 - A fix in ALSA rawmidi core regression and UMP handling
 - Series of Cirrus codec fixes
 - ASoC Intel and Realtek codec fixes
 - Usual HD- and USB-audio quirks and AMD ASoC quirks
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Merge tag 'sound-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "A large collection of fixes around this time.

  All small and mostly trivial fixes.

   - Lots of fixes for the new -Wformat-truncation warnings

   - A fix in ALSA rawmidi core regression and UMP handling

   - Series of Cirrus codec fixes

   - ASoC Intel and Realtek codec fixes

   - Usual HD- and USB-audio quirks and AMD ASoC quirks"

* tag 'sound-6.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (64 commits)
  ALSA: hda/realtek - ALC287 Realtek I2S speaker platform support
  ALSA: hda: cs35l56: Use the new RUNTIME_PM_OPS() macro
  ALSA: usb-audio: scarlett_gen2: Fix another -Wformat-truncation warning
  ALSA: rawmidi: Fix NULL dereference at proc read
  ASoC: SOF: core: Only call sof_ops_free() on remove if the probe was successful
  ASoC: SOF: Intel: MTL: Reduce the DSP init timeout
  ASoC: cs42l43: Add shared IRQ flag for shutters
  ASoC: imx-audmix: Fix return error with devm_clk_get()
  ASoC: hdaudio.c: Add missing check for devm_kstrdup
  ALSA: riptide: Fix -Wformat-truncation warning for longname string
  ALSA: cs4231: Fix -Wformat-truncation warning for longname string
  ALSA: ad1848: Fix -Wformat-truncation warning for longname string
  ALSA: hda: generic: Check potential mixer name string truncation
  ALSA: cmipci: Fix -Wformat-truncation warning
  ALSA: firewire: Fix -Wformat-truncation warning for MIDI stream names
  ALSA: firewire: Fix -Wformat-truncation warning for longname string
  ALSA: xen: Fix -Wformat-truncation warning
  ALSA: opti9x: Fix -Wformat-truncation warning
  ALSA: es1688: Fix -Wformat-truncation warning
  ALSA: cs4236: Fix -Wformat-truncation warning
  ...
2023-09-21 08:13:15 -07:00